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email.policy.compat32 does not work as policy for email.message.MIMEPart #133315

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dkg opened this issue May 2, 2025 · 0 comments
Open

email.policy.compat32 does not work as policy for email.message.MIMEPart #133315

dkg opened this issue May 2, 2025 · 0 comments
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type-bug An unexpected behavior, bug, or error

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dkg commented May 2, 2025 •
edited by github-actions bot
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Bug report

Bug description:

#!/usr/bin/python3

from email.message import MIMEPart
from email.policy import compat32

m = MIMEPart(policy=compat32)
m.set_content(b'\x00'*100, 'image', 'phg')

This raises the following exception:

Traceback (most recent call last):
  File "[…]/test.py", line 7, in <module>
    m.set_content(b'\x00'*100, 'image', 'phg')
    ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.13/email/message.py", line 1136, in set_content
    content_manager = self.policy.content_manager
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'Compat32' object has no attribute 'content_manager'

This is with python3 3.13.3-1 on debian.

CPython versions tested on:

3.13

Operating systems tested on:

Linux
@dkg dkg added the type-bug An unexpected behavior, bug, or error label May 2, 2025
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